--- title: Product Passport weight: 1 --- import Alert from '@/components/docs/Alert.astro'; ![AIIoTU8](./images/aiiotu8.jpg) ## General Information ### Purpose The VADTel-AIIoTU8 unit is intended for remote telemetry from utility meters including gas volume correctors, heat calculators, and water meters. It transmits data to a centralized server for collection, analysis, and long-term storage using GSM/GPRS networks operating at 900/1800 MHz frequencies. Includes integrated Ex ib IS barrier RS-485 interface for intrinsically safe connections (optional for EX version). #### Key Advantages - Universal compatibility with major brands of correctors and calculators - Fully autonomous operation using an internal high-capacity battery - Remote firmware update via server command — supporting protocol evolution without field technician visits - Auxiliary power output for RS-485 interface and attached devices - Local analysis of emergency events with real-time reporting to server or SMS notifications #### Functional Description - Scheduled polling of meters with onboard storage of collected data - Adaptive transmission to the server via GPRS — based on schedule or emergency triggers - Emergency event detection and alerts sent via SMS to configured numbers - Multi-protocol support for integration with a range of meter types - Real-time and historical data access via server dashboard - Remote configuration including polling intervals via SMS ### Application - Commercial measurement and billing of gas, thermal energy, and water - Municipal and industrial telemetry systems - Utility infrastructure in smart cities - Automated Metering Infrastructure (AMI) solutions ### Compliance with EU Directives The VADTel-AIIoTU8 complies with the following EU directives: - **EMC Directive 2014/30/EU** (EN 55032:2015, EN 55035:2017) — verified by SIM800C_EMC Test Report_2024. - **EMC Directive 2014/30/EU** (EN IEC 61000-6-1:2019, EN IEC 61000-6-3:2021, EN IEC 61000-3-2:2019/A1:2021, EN 61000-3-3:2013/A2:2021/AC:2022-01) — verified by PKCELL_LP_CE-EMC_Certificate_2024 - **RED Directive 2014/53/EU** (Radio Equipment Directive) — certified by SIM800C_CE(RED) Certificate_2024. - **RoHS Directive 2011/65/EU** — verified by SIM800C_ROHS_Test Report_2019. - **WEEE Directive 2012/19/EU** (Waste Electrical and Electronic Equipment). - **GDPR** (Data transmission security and privacy). - **SAR/MPE Requirements** (EN 62311:2020) — verified by SIM800C_MPE Test Report_2024. ### Environmental Conditions - Operating temperature: **−40 °C to +60 °C**. - Humidity: **up to 98% at +35°C** (non-condensing). - Ingress Protection: **IP54** (IEC 60529). - Impact Resistance: **IK07** (EN 62262). ### Power Supply - Built-in battery: **3.7 V, Li-ion, 8,000 mAh**. - Operating voltage: **3.4–4.2 V**. - Power consumption: - Transmission mode: **≤600 mA**. - Standby mode: **≤0.003 mA**. - This device itself is not ATEX certified equipment and shall not be installed in Zone 0, 1, or 2 areas. - Installation in explosive environments is prohibited. - However, the device integrates an intrinsically safe (Ex ib) RS-485 interface for connection to certified Zone 1 equipment (e.g. Elster EK). The device itself shall be installed outside hazardous areas (optional for EX version). ## Identification Information ### Serial Number Each device is assigned a unique serial number. Example format: VAD-1234567890. ### Manufacture Date The production date is indicated on the device label in the format YYYY-MM-DD (e.g., 2025-04-15). ### Document Version - Passport version: 1.1 - Passport release date: 2024-04-21 ### Released By - Authorized Person: Markus Schmidt - Position: Head of Quality Assurance - Signature: ************\_************ - Date of Release: ********\_\_\_******** ## Technical Specifications ### Key Parameters | Parameter | Value | | ------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------- | | Frequency Bands | GSM: 850/900/1800/1900 MHz
LTE-M: B1/B3/B8/B20 | | Transmission Power (Max) | 2W (850/900 MHz), 1W (1800/1900 MHz) | | Communication Protocols | MQTT, HTTP/HTTPS, TCP/IP | | Security Features | Encrypted communication protocols (HTTPS, MQTT-TLS), authentication and access control, firmware update capability to mitigate vulnerabilities. | | Communication Module | SIM800C (CE-RED, RoHS, EMC, MPE) | | Dimensions (L×W×H) | 161×101×60 mm | | Weight | ≤1 kg | | Service Life | ≥5(10) years | | Humidity | Up to 98% (+35°C) | | Protection | IP54, IK07 | ### Intrinsically Safe Interface RS-485 Entity Parameters (optional for EX version) | Parameter | Value | Comment | | ------------------------------- | --------- | ------- | | Type of protection | Ex ib IIC | — | | Uo (max output voltage allowed) | 10.5 | V | | Io (max output current allowed) | 40 | mA | | Po (max output power allowed) | 0.5 | W | | Co (capacitance) | < 0.4 | μF | | Lo (inductance) | < 1 | mH | ### Warranty - Warranty period: **24 months** from the date of purchase. - The warranty becomes void if installation rules are violated or if the device is tampered with. ## Package Contents | Item | Quantity | | ------------------- | ---------------------- | | VADTel-AIIoTU8 Unit | 1 | | Product Passport | 1 | | Interface Cable | 5 m | | Antenna | 1 | | CE Certificate | 1 (electronic version) | The SIM card (eSIM) is pre-activated and linked to the VAD IIoT Ecosystem. ## Installation & Operation ### Installation - Installation must be performed by certified specialists. - Normally, no configuration of the module is necessary. - Installation requirements: - Protect from direct sunlight. - Minimum distance from metal structures: 3 cm. ### Maintenance - Annual inspection: - Check for housing and seal integrity. - Clean with a dry, soft cloth. ### Connection diagram The connection diagram for the unit to the Elster EK series corrector is shown in the figure below. ```mermaid %%{init: {'flowchart': {'curve':'linear','nodeSpacing':18,'rankSpacing':130,'padding':26,'subGraphTitleMargin':{'top':10,'bottom':18}}}}%% flowchart LR subgraph DEV1["«AIIoTU8»"] direction TB J8_1["J8 · 1 · T+"] J8_2["J8 · 2 · T-"] J2_1["J2 · 1 · R+"] J2_2["J2 · 2 · R-"] J2_3["J2 · 3 · +U"] J2_4["J2 · 4 · -U"] end JP(( )):::dot JN(( )):::dot subgraph DEV2["«EK2xx»"] direction TB EK_T2["2 · T+"] EK_T1["1 · T-"] EK_R4["4 · R+"] EK_R3["3 · R-"] EK_Ri["5 · Ri"] EK_GND["6 · GND"] EK_Up["1 · +Uext"] EK_Un["2 · -Uext"] end SHLD["Cable shield"] ERTH["⏚ PE"] J8_1 --- EK_T2 J8_2 -.- EK_T1 J2_1 --- EK_R4 J2_2 -.- EK_R3 J2_3 --- JP JP --- EK_Ri JP --- EK_Up J2_4 -.- JN JN -.- EK_GND JN -.- EK_Un SHLD -..- ERTH linkStyle 0 stroke:#22b14c,stroke-width:2.5px linkStyle 1 stroke:#22b14c,stroke-width:2.5px,stroke-dasharray:6 linkStyle 2 stroke:#00aeef,stroke-width:2.5px linkStyle 3 stroke:#00aeef,stroke-width:2.5px,stroke-dasharray:6 linkStyle 4 stroke-width:2.5px linkStyle 5 stroke:#f15a24,stroke-width:2.5px linkStyle 6 stroke:#a06a3a,stroke-width:2.5px linkStyle 7 stroke-width:2.5px,stroke-dasharray:6 linkStyle 8 stroke:#f15a24,stroke-width:2.5px,stroke-dasharray:6 linkStyle 9 stroke:#a06a3a,stroke-width:2.5px,stroke-dasharray:6 linkStyle 10 stroke:#888888,stroke-width:1.5px,stroke-dasharray:3 classDef dot fill:#888888,stroke:#888888; ``` Programming interfaces of Elster "EK" series correctors for work with VADTel-AIIoTU8: | Designation | AD | Address | Value | Description | | ------------------------ | ----- | ------- | ----- | ---------------------------------- | | Mode, Interface 2 | Md.S2 | 2:705 | 5 | Without control lines | | Data format, Interface 2 | DF.S2 | 2:707 | 2 | 8 data bits, no parity, 1 stop bit | | Baud rate, Interface 2 | Bd.S2 | 2:708 | 6 | 19200 | | Type, Interface 2 | TypS2 | 2:70A | 2 | RS485 | ## Safety & Disposal Ensure correct connection to certified intrinsically safe equipment. No modifications to the internal IS barrier are permitted without conformity assessment (optional for EX version). - Do not dismantle the device — risk of battery damage! - Dispose of the device according to the **WEEE Directive**: deliver to a specialized recycling center. ### RoHS Compliance The device does not contain: - Lead (Pb), Cadmium (Cd), Mercury (Hg), Hexavalent Chromium (CrVI). - Polybrominated Biphenyls (PBBs), Polybrominated Diphenyl Ethers (PBDEs). - Phthalates (DEHP, BBP, DBP, DIBP) in concentrations exceeding 0.1%. ### Contacts - Manufacturer: V.A.D. Technical Engineering and Investment s.r.o. - Address: Konvetna 6, 81 103 Bratislava, Slovakia. - Phone: +421 910 411 379. - Email: [inbox@vadsro.eu](mailto:inbox@vadsro.eu). - Website: [https://vadsro.eu](https://vadsro.eu). ## Marking / Labeling ### CE Marking Label includes: - Device name (VADTel-AIIoTU8) - Manufacturer name and address - Serial number - CE mark, WEEE ### VADTel-AIIoTU8 Label ![AIIoTU8 label](./images/label.png) ## Approvals / Certifications The RS-485 interface complies with ATEX Directive 2014/34/EU for connection to Zone 1 devices under intrinsic safety protection concept (Ex ib) (optional for EX version). Applicable standards: EN 60079-0, EN 60079-11, EN 60079-14, EN 61326-1. ## Revision History | Version | Date | Changes | | ------- | ------- | ----------------------------------------- | | 1.0 | 01.2024 | Initial release. | | 1.1 | 07.2024 | Added references to SIM800C certificates. | ## Additional Information ### SIM800C Certificates - CE-RED (2024): Compliance with Directive 2014/53/EU (Radio Equipment). - EMC (2024): Successfully passed electromagnetic compatibility tests. - MPE (2024): SAR levels within limits (≤1.6 W/kg). - RoHS (2019): Free of hazardous substances. All certificates are available upon request through customer support. ## EU Declaration of Conformity The manufacturer V.A.D. Technical Engineering and Investment s.r.o., Konvetna 6, 81103 Bratislava, Slovakia, hereby declares that the product: Product name: **VADTel-AIIoTU8** Description: Smart telemetry device with integrated RS-485 interface is in conformity with the provisions of the following European Directives: - **2014/30/EU** (EMC Directive) - **2014/53/EU** (RED Directive) - **2011/65/EU** (RoHS Directive) and complies with the following harmonized standards\*: - **EN 60079-0:2018** (Explosive atmospheres – General requirements) - **EN 60079-11:2012** (Explosive atmospheres – Intrinsic safety "i") - **EN 60079-14:2014** (Explosive atmospheres – Electrical installations design, selection and erection) - **EN 61326-1:2013** (EMC requirements) Important note: The device itself is not ATEX certified equipment and shall be installed outside hazardous areas. Only the RS-485 IS output complies with ATEX requirements for connection to certified Zone 1 (Category 2G, Ex ib IIC T4 Gb) equipment. Place: Bratislava, Slovakia Date: 1.04.2024 Signed by: Markus Schmidt Head of Quality Assurance V.A.D. Technical Engineering and Investment s.r.o. \* optional for EX version